ATSAMD21E16A-MU Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
ATSAMD21E16A-MU is a Microchip integrated circuit for production electronic assemblies. It uses 33 pins with Quad Flat No-Lead packaging. From RFQ pricing with stock checks and worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- ATSAMD21E16A-MU Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ATSAMD21E16A-MU?
- 33 pins integrated circuit configuration for board-level designs
- Quad Flat No-Lead package information for footprint and sourcing checks
- Manufacturer part ATSAMD21E16A-MU traceability from Microchip
- Suitable for RFQ-based stocking, alternate review, and production planning
What is ATSAMD21E16A-MU used for?
ATSAMD21E16A-MU is used in OEM builds, repair programs, and production assemblies that require a integrated circuit from Microchip. Buyers typically evaluate it for fit, footprint, compliance, and supply continuity before volume purchasing.
What are the specifications of ATSAMD21E16A-MU?
| Date Of Intro | 2017-02-01 |
| YTEOL | 8.38 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | Cortex-M0+ |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-XQCC-N32 |
| Low Power Mode | YES |
| Number of DMA Channels | 12 |
| Number of External Interrupts | 16 |
| Number of I/O Lines | 26 |
| Number of Serial I/Os | 4 |
| Number of Timers | 8 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 8192 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 92mA |
| Supply Voltage-Max | 3.63V |
| Supply Voltage-Min | 1.62V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Thailand |
Where can I find the ATSAMD21E16A-MU datasheet?
ATSAMD21E16A-MU Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for ATSAMD21E16A-MU?
Compatible alternatives and drop-in replacements for ATSAMD21E16A-MU:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQCC32
Frequently Asked Questions
Which designs are a good fit for ATSAMD21E16A-MU when 33 pins matters?
ATSAMD21E16A-MU is a Microchip integrated circuit intended for assemblies where the 33 pins configuration, package fit, and sourcing traceability need to match the bill of materials.
How should engineers check package fit before approving ATSAMD21E16A-MU?
Review the Quad Flat No-Lead package data and confirm the 33 pins layout against the PCB footprint, connector clearance, or assembly drawing before releasing the part to production.
What should purchasing verify when sourcing ATSAMD21E16A-MU for builds?
Purchasing should confirm the exact ATSAMD21E16A-MU ordering code, 33 pins configuration, manufacturer traceability, and available lead time before placing volume orders or approving substitutes.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit